As an additional cost to cast this spell, reveal an Elf card from your hand or pay {3}. Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Create X 1/1 green Elf Warrior creature tokens, where X is the number of attacking creatures. Prevent all combat damage that would be dealt this turn by non-Elf creatures.

When this creature dies, you may search your library for an Elf card, reveal that card, put it into your hand, then shuffle.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) When this creature enters, reveal the top four cards of your library. Put all Elf cards revealed this way into your hand and the rest on the bottom of your library in any order.

Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.

Whenever Imaryll attacks, it gets +X/+X until end of turn, where X is the number of other Elves you control. You may have Imaryll assign its combat damage as though it weren't blocked.

{T}: Add {G} for each Elf on the battlefield.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{T}, Discard an Elf card: Target creature gets -X/-X until end of turn, where X is the number of Elves you control.

{T}: You gain 1 life for each Elf on the battlefield.

Whenever you cast an Elf spell, you may create a 1/1 green Elf Warrior creature token.